S-96654A133 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Vibration-resistant secure fastening with integrated nylon patch thread locker, preventing loosening in dynamic applications from -70° to 250°F
• Superior corrosion resistance from 18-8 stainless steel construction with passivated finish, ensuring longevity in harsh industrial environments
• Precise component alignment with 25mm shoulder length and controlled diameter tolerance, maintaining accurate positioning in assemblies
• High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding mechanical applications
• Easy installation and removal with standard hex socket drive, allowing efficient maintenance with common 2.5mm tools
• Reliable thread engagement through Class 6g metric coarse threading, ensuring consistent fastening across industrial equipment
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global manufacturing and environmental safety

Professional Applications & Engineering Value

This precision shoulder screw solves critical alignment and vibration challenges in industrial machinery. The 25mm shoulder length with precise diameter control acts as a pivot or axle, maintaining accurate component positioning in rotating assemblies while preventing radial movement. Manufactured from 18-8 stainless steel with passivated finish, it withstands corrosive environments where ordinary fasteners fail. The integrated nylon patch thread locking technology provides permanent vibration resistance without separate locking components, simplifying assembly in automotive, robotics, and precision equipment. The hex socket drive enables high-torque installation in confined spaces, while the Class 6g thread fit ensures consistent engagement across production runs.

Specification Summary & Compliance

This M4 x 0.7mm shoulder screw features Class 6g thread tolerance with coarse spacing, ensuring reliable mating with standard metric components. The shoulder maintains precise dimensions with diameter tolerance of -0.025 to 0 mm and length tolerance of 0 to 0.05 mm for accurate assembly fit. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material restrictions adherence. The combination of 70,000 psi tensile strength and temperature stability from -70° to 250°F makes it suitable for demanding mechanical applications requiring both structural integrity and thermal performance.